What is Namespace
Namespace: It is the region of a program in which specific identifiers are visible. Java employs packages to give namespaces, and its visibility rules: package, private, protected, public-variously include identifiers within the namespaces.
Pipe: It is a linkage between the two program components. One component responds as a source of data, and writes into the pipe. The second components act as a receiver (that is, sink) for the data and reads from pipe.
Differentiate overriding and overloading method?
State the term Web application?
Main method: It is the beginning point for program execution public static void main(String[] args)
Cast: Where Java does not allow the utilization of a source value of one type, it is essential to use a cast to force the compiler to admit the use for the target type. The care must be taken with casting values of primitive types, as this frequently
Explain the difference between the Interpreter and Compiler?
Singleton pattern: It is a pattern which permits us to make sure that only a single instance of a specific class exists at any one time. Such an instance is termed as singleton. The pattern can as well be employed whenever instances would have no excl
Describe the term Intermediate language? Illustrate in brief.
Variable declaration: It is the association of a variable with a specific type. It is significant to make a distinction among the declaration of variables of primitive types and such of class types. The variable of primitive type performs as a contain
Explain the chown, chmod and chgrp?
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